8-Bit Microcontroller
With OTP ROM

EM78P458 and EM78P459 are 8-bit Microprocessors designed and developed with
low-power and high-speed CMOS technology. It is equipped with a 4K x 13-bit Electrical
One Time Programmable Read Only Memory (OTP-ROM).
With its OTP-ROM feature, it is able to offer a convenient way of developing and
verifying users programs. Moreover, user CAN take advantage of EMC Writer to easily
program his development code.Errata By ELAN Microelectronics Corp